She said: "Most roles that I choose are daunting, I'm at a stage in my life when I just wanted to shake it up - I think I've always been like that - but I tend to go to places now that I've never been."

Addressing the critical reaction, she said: "Most films I do ruffle feathers. I don't think I've ever done a film that hasn't had some sort of controversy, that just seems to be where I'm at. And even when I think I'm doing something safe, it isn't."